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KMID : 1041720140260010028
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Annals of Occupational and Environmental Medicine
2014 Volume.26 No. 1 p.28 ~ p.28
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Vitamin D status and associated occupational factors in Korean wage workers: data from the 5th Korea national health and nutrition examination survey (KNHANES 2010?2012)
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Jeong Ha-Rin
Hong Su-Jin
Heo Yun-Jeong
Chun Ho-Sun
Kim Dae-Seong
Park Jong-Tae
Kang Mo-Yeol
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Abstract
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Objectives: Vitamin D deficiency is increasing worldwide. However, few studies have attempted to examine the vitamin D status of wage workers and the correlation between vitamin D deficiency and working conditions. Hence, we aimed to evaluate the prevalence of vitamin D deficiency and the association between occupational conditions and vitamin D deficiency among Korean wage workers.
Methods: Wage workers aged 20?65 years from the 5th Korea National Health and Nutrition Examination Survey (KNHANES 2010?2012; n?=?5409) were included in our analysis. We measured the prevalence of vitamin D deficiency and identified the correlations with the working conditions of these subjects.
Results: The prevalence of vitamin D deficiency in male and female subjects was 69.5% and 83.1%, respectively. Among the male subjects, a significant correlation between vitamin D deficiency and working conditions was observed among shift workers, office workers, and permanent workers. No significant correlation with any type of working conditions was observed among female subjects.
Conclusion: The prevalence of vitamin D deficiency among Korean wage workers was very high and was found to correlate significantly with working conditions, likely because of insufficient exposure to sunlight associated with certain types of work. Wage workers require more frequent outdoor activity and nutrition management to maintain sufficient vitamin D level.
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KEYWORD
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Vitamin D deficiency, Shift work, Office work, Indoor work, KNHANES
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